7. Disease status and histology: The patient is suffering from either choroid plexus carcinoma of any stage, OR an atypical choroid plexus papilloma with tumor residual after maximal possible surgical resection, OR a primary metastatic atypical choroid plexus papilloma. OR a first recurring choroid plexus papilloma that is either not resectable or was metastatic, OR a second recurrence of any choroid plexus tumor.